Collecting etherrain==0.3
  1 location(s) to search for versions of etherrain:
  * https://pypi.python.org/simple/etherrain/
  Getting page https://pypi.python.org/simple/etherrain/
  Analyzing links from page https://pypi.python.org/simple/etherrain/
    Found link https://pypi.python.org/packages/5a/97/41950241cf78e053753b7699fdc347c8248a3010a782c5f47cb5151ee835/etherrain-0.2.tar.gz#md5=916d5e9f566d04b4473337f97ea5fdba (from https://pypi.python.org/simple/etherrain/), version: 0.2
    Found link https://pypi.python.org/packages/69/af/acb2c1c4c2bd8a5cfa09d6d67cfd30c3d89efd80c257031849b1dfb172b4/etherrain-0.3.tar.gz#md5=7784591d199bd143bb2c6a9b6d83c246 (from https://pypi.python.org/simple/etherrain/), version: 0.3
    Found link https://pypi.python.org/packages/b2/7c/e83e700ab3b3c02391f1311d388b81b863380ac7e314b082079d84558db6/etherrain-0.3-py2.py3-none-any.whl#md5=7990064d7b2196e3e9a161b3e0c96e32 (from https://pypi.python.org/simple/etherrain/), version: 0.3
  Using version 0.3 (newest of versions: 0.3)
  Downloading etherrain-0.3-py2.py3-none-any.whl
  Downloading from URL https://pypi.python.org/packages/b2/7c/e83e700ab3b3c02391f1311d388b81b863380ac7e314b082079d84558db6/etherrain-0.3-py2.py3-none-any.whl#md5=7990064d7b2196e3e9a161b3e0c96e32 (from https://pypi.python.org/simple/etherrain/)
  Saved /tmp/tmpu4z_us0w/etherrain-0.3-py2.py3-none-any.whl
Skipping etherrain, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-build-lg14npgf/etherrain